South Yarmouth weather in September (Massachusetts, United States of America)

Will it be rainy or sunny in South Yarmouth this September? See what weather conditions to anticipate this month with our guide.

Temperatures

You’ll find the weather in South Yarmouth during September to be perfect, with high temperatures and moderate rainfall. September ushers in the summer season. Throughout the daytime, temperatures often hover around 23°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 14°C.

Precipitation

South Yarmouth in September usually receives moderate rainfall, averaging around 96 mm for the month. Looking at the last 30 years, the data shows about 8 days with rain.

Average sunshine

The city usually sees around 231 hours of sunlight, indicating many sunny days.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit South Yarmouth. June, July, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized South Yarmouth climate page with graphs.

 

South Yarmouth, monthly averages in September

Min Temperature 14°C  

Max Temperature 23°C  

Chance of Rain 27%  

Precipitation 96 mm  

Rainy days 8 days  

Sunshine 231 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (43 KM, 26 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to South Yarmouth, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in South Yarmouth.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.